Start with an empty queue and then do the following operations: 1. Create a variable called vand give it the value 4 2. Create a variable wand assign it the value v+ 5 and then perform the operation enqueue! [w] 3. Perform the operation enqueue! [✔] 4. Enqueue the number resulting from w+ vto the queue (enqueue![w+v]) 5. Apply the dequeue! operation What is the final value at the head of the queue returned when we apply the head oneration?

Start with an empty queue and then do the following operations: 1. Create a variable called vand give it the value 4 2. Create a variable wand assign it the value v+ 5 and then perform the operation enqueue! [w] 3. Perform the operation enqueue! [✔] 4. Enqueue the number resulting from w+ vto the queue (enqueue![w+v]) 5. Apply the dequeue! operation What is the final value at the head of the queue returned when we apply the head oneration?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Start with an empty queue and then do the following operations:
1. Create a variable called vand give it the value 4
2. Create a variable wand assign it the value v+ 5 and then perform the operation enqueue! [w]
3. Perform the operation enqueue! [✔]
4. Enqueue the number resulting from w+ vto the queue (enqueue! [w+ v])
5. Apply the dequeue! operation
What is the final value at the head of the queue returned when we apply the head operation?

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